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1399230411 = 341109110427
BaseRepresentation
bin101001101100110…
…1000111111001011
310121111220021021120
41103121220333023
510331200333121
6350502210323
746450155645
oct12331507713
93544807246
101399230411
11658913577
123307239a3
13193b6c3b7
14d3b91895
1582c91bc6
hex53668fcb

1399230411 has 16 divisors (see below), whose sum is σ = 1913079168. Its totient is φ = 909147200.

The previous prime is 1399230409. The next prime is 1399230419. The reversal of 1399230411 is 1140329931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1399230411 - 21 = 1399230409 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1399230419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128980 + ... + 139406.

It is an arithmetic number, because the mean of its divisors is an integer number (119567448).

Almost surely, 21399230411 is an apocalyptic number.

1399230411 is a deficient number, since it is larger than the sum of its proper divisors (513848757).

1399230411 is a wasteful number, since it uses less digits than its factorization.

1399230411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11562.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1399230411 is about 37406.2883884515. The cubic root of 1399230411 is about 1118.4839210087.

The spelling of 1399230411 in words is "one billion, three hundred ninety-nine million, two hundred thirty thousand, four hundred eleven".

Divisors: 1 3 41 123 1091 3273 10427 31281 44731 134193 427507 1282521 11375857 34127571 466410137 1399230411